EUVD-2026-15443CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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Description
A vulnerability in the web-based Cisco IOx application hosting environment management interface of Cisco IOS XE Software could allow an unauthenticated, remote attacker to perform a carriage return line feed (CRLF) injection attack against a user. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by sending crafted packets to an affected device. A successful exploit could allow the attacker to arbitrarily inject log entries, manipulate the structure of log files, or obscure legitimate log events.
Analysis
A CRLF injection vulnerability exists in the web-based Cisco IOx application hosting environment management interface of Cisco IOS XE Software that allows unauthenticated remote attackers to inject arbitrary log entries and manipulate log file structure. The vulnerability stems from insufficient input validation in the Cisco IOx management interface and affects a broad range of Cisco IOS XE Software versions from 16.6.1 through 17.18.1x. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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